Home / 261,484.96-392,437.60-135,162.21

Finding the Fourth Proportional to 261,484.96, 392,437.60 and 135,162.21

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Solution

The fourth proportional to 261,484.96, 392,437.60 and 135,162.21 is: 202,851.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,484.96 : 392,437.60 = 135,162.21 : x
  2. Step 2: Convert to fraction form
    261,484.96/392,437.60 = 135,162.21/x
  3. Step 3: Cross multiply
    261,484.96x = 392,437.60 × 135,162.21
  4. Step 4: Simplify right side
    261,484.96x = 53,042,731,240.12
  5. Step 5: Solve for x
    x = 53,042,731,240.12/261,484.96
  6. Step 6: Final answer
    x = 202,851.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.